CVE-2025-39942

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size This is inspired by the check for data_offset + data_length.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-25)

Published

2025-10-04

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/196a3a7676d726ee67621ea2bf3b7815ac2685b4
• https://git.kernel.org/stable/c/9644798294c7287e65a7b26e35aa6d2ce3345bcc
• https://git.kernel.org/stable/c/c64b915bb3d9339adcae5db4be2c35ffbef5e615
• https://git.kernel.org/stable/c/d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce
• https://git.kernel.org/stable/c/e1868ba37fd27c6a68e31565402b154beaa65df0

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